In the world of high-end real estate, nothing says “I’m richer than you” like your very own private island. In the Florida Keys, an archipelago made up of more than 1,700 islands, it is relatively easy to find your own personal tropical retreat for sale or rent… provided you can afford it! First we have Melody Key, former home of 311 vocalist Nick Hexum1. This 5.5 acre key can be yours for the low price of 3.8 million dollars and includes a fully furnished home with 2 boats, as well as a mainland dock for launching island expeditions.…